diff --git a/lsusers.py b/lsusers.py
index bb467ac..9d5e0dd 100755
--- a/lsusers.py
+++ b/lsusers.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # coding: utf-8
 #
 # Copyright © 2023 - Rennes Physics Institute